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GOODWILL AND OTHER INTANGIBLE ASSETS (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 26, 2020
Dec. 28, 2019
Dec. 29, 2018
Goodwill impairment $ 11,485    
Indefinite-lived intangible assets 7,401 $ 7,354  
Amortization of intangibles $ 8,716 $ 6,325 $ 6,393